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two ends of an inextensible string of length 12m are attached to points Aand B 1.2m apart,in the same horizontal plane.a mass 20kg is suspended from the middle point C of the string and the system is in equilibrium. calculate the tension on either arm of string

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All forces must add up to zero. See pictures below.
two ends of an inextensible string of length 12m are attached to points Aand B 1.2m-example-1
two ends of an inextensible string of length 12m are attached to points Aand B 1.2m-example-2
two ends of an inextensible string of length 12m are attached to points Aand B 1.2m-example-3
two ends of an inextensible string of length 12m are attached to points Aand B 1.2m-example-4
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